<template>
  <el-container class="home-container">
    <el-header>
      <div>
        <img src="../assets/heima.png" />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <el-container>
			<!-- 侧边栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
				<div class="toggle-button" @click="toggleCollapse">|||</div>
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409EFF" unique-opened :collapse-transition="false" :collapse="isCollapse" router :default-active="activePath">
          <el-submenu :index="item.id + ''" v-for="item in menulist" :key="item.id">
            <template slot="title">
              <i :class="iconsObj[item.id]"></i>
              <span>{{item.authName}}</span>
            </template>
						<!-- 二级菜单 -->
              <el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id"
								@click="saveNavState('/' + subItem.path)">
								<i class="el-icon-menu"></i>
								<span>{{subItem.authName}}</span>
								</el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
				<router-view></router-view>
			</el-main>
    </el-container>
  </el-container>
</template>
<script>
import {getMenuList} from '../network/login'

export default {
  name: "Home",
  data() {
    return {
			menulist: [],
			activePath: '',
			isCollapse: false,
			iconsObj: {
        '125': 'iconfont icon-user',
        '103': 'iconfont icon-tijikongjian',
        '101': 'iconfont icon-shangpin',
        '102': 'iconfont icon-danju',
        '145': 'iconfont icon-baobiao'
      }
		};
	},
		created() {
			this.getMenuListData()
			this.activePath = window.sessionStorage.getItem('activePath')
	},
	methods: {
		logout() {
			window.sessionStorage.clear();
			this.$router.push('/login')
		},
		getMenuListData() {
			getMenuList().then(res => {
				// console.log(res.data)
				if(res.meta.status !=200) return this.$message.error(res.meta.msg);
				this.menulist = res.data
			})
		},
		//切换菜单折叠
		toggleCollapse() {
			this.isCollapse = !this.isCollapse
		},
		//保存链接激活状态
		saveNavState(activePath) {
			window.sessionStorage.setItem('activePath',activePath)
			this.activePath = activePath
		}
	}
};
</script>
<style lang='less' scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 10px;
    }
  }
}

.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: none;
  }
}

.el-main {
  background-color: #eaedf1;
}

.iconfont {
  margin-right: 10px;
}

.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>